Lead Java/Spring Boot engineer building secure, scalable AI - enabled applications for financial services and insurance. Guiding Agile teams, security practices, technical direction, and developer mentoring.
About the role
- Software Engineer II building backend APIs, reporting, and controls for Instacart's Carrot Ads publisher advertising platform. Owning reliable partner-facing features across retail media systems.
Responsibilities
- Build and ship publisher-facing features across Storefront, Storefront Pro, and API partners
- Extend the Connect / Carrot Ads API with clear contracts, event handling, dead-letter recovery, integration tests, and self-serve documentation
- Build retailer controls for relevance, quality scores, reserve pricing, and ad-load management
- Strengthen reporting and data integrity through attribution, catalog and product-ID mapping, reconciliation, and automated health checks
- Improve reliability by defining and meeting partner SLAs, enhancing observability, reducing incidents and recovery time, and contributing to partner-health monitoring
- Debug partner-facing serving and reporting issues across shared serving, measurement, and quality systems
- Collaborate with Product, Enterprise Solutions, Serving, Measurement, Ads Quality, and Ads Manager teams
- Use AI-assisted developer tools while maintaining quality and security
- Own shipped work through production and on-call
Requirements
- 3+ years of experience building and operating production backend services
- Strong API design and distributed-systems fundamentals
- Fluency in a backend language such as Go, Ruby, or Python
- Track record of shipping features end to end with solid testing, observability, and operational ownership
- Experience debugging across service boundaries and collaborating across cross-functional teams
- Bachelor's degree in Computer Science or a related field, or equivalent practical experience
- Preferred: experience in ad tech, retail media, or publisher-/partner-facing platforms
- Preferred: familiarity with Kafka, dead-letter queues, and idempotent processing
- Preferred: AWS or GCP cloud infrastructure experience
- Preferred: data reconciliation, attribution, or catalog and entity mapping experience
- Preferred: partner- or customer-facing APIs, documentation, error contracts, and integration testing
Benefits
- New hire equity grant
- Annual refresh grants
- Flexible work location: home, office, or coffee shop
- Regular in-person events
- Highly market-competitive compensation and benefits
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